The first impressionists took advantage of the introduction of premixed paints in tubes where paint is laid on an area of the surface very thickly, usually thickly enough that the brush or painting-knife strokes are visible.
Characteristics of impressionist paintings include visible brush strokes, open composition, emphasis on light in its changing qualities effecting colour, the inclusion of movement as a crucial element of human perception, and unusual visual angles.
Short, thick strokes of paint are used to quickly capture the essence of the subject, rather than its details. The paint is often applied impasto.
Colours are applied side-